Nullable refernce types refactoring

WotBlitzStatisticsPro.WgApiClient/ResponseBody.cs

@@ -1,20 +1,22 @@
-using Newtonsoft.Json;
+using System.ComponentModel.DataAnnotations;
+using System.Diagnostics.CodeAnalysis;
+using Newtonsoft.Json;
 
 namespace WotBlitzStatisticsPro.WgApiClient
 {
-	internal class ResponseBody<T>
+	internal class ResponseBody<T> where T: class
 	{
 		[JsonProperty("status")]
-		public string Status { get; set; }
+		public string? Status { get; set; }
 
 		[JsonProperty("meta")]
-		public Meta Meta { get; set; }
+		public Meta? Meta { get; set; }
 
 		[JsonProperty("data")]
-		public T Data { get; set; }
+		public T? Data { get; set; }
 
 		[JsonProperty("error")]
-		public Error Error { get; set; }
+		public Error? Error { get; set; }
 	}
 
 	internal class Meta
@@ -26,15 +28,15 @@ namespace WotBlitzStatisticsPro.WgApiClient
 	internal class Error
 	{
 		[JsonProperty("field")]
-		public string Field { get; set; }
+		public string? Field { get; set; }
 
 		[JsonProperty("message")]
-		public string Message { get; set; }
+		public string? Message { get; set; }
 
 		[JsonProperty("code")]
-		public string Code { get; set; }
+		public string? Code { get; set; }
 
 		[JsonProperty("value")]
-		public string Value { get; set; }
+		public string? Value { get; set; }
 	}
 }